Energy-efficient reconstruction of a pumping station with a frequency converter

Technical
features

Type of
works

Technical Characteristics

6 kV switchgear consisting of 26 cells (pumping station building) — 1 complete set.
6 kV switchgear consisting of 4 cells (pumping station building) — 1 complete set.
6 kV switchgear consisting of 4 cells (module) — 1 complete set.
Factory-assembled complete frequency converter module — 1 complete set.
0.4 kV auxiliary needs cabinet comprising 5 panels — 1 complete set.
220 V DC operational current cabinet — 1 complete set.
APCS cabinet — 2 complete sets.
Thyristor exciter — 1 complete set.

Complete replacement of 6 kV switchgear (ZRU-6 kV) electrical equipment.
Complete replacement of 0.4 kV auxiliary switchgear (RU-0.4 kV) electrical equipment.
Installation of a 220 V DC operational current cabinet.
Installation of a 6 kV frequency converter (FC) module.
Installation of two additional 6 kV cells within the 6 kV switchgear for powering the FC from different bus sections.
Installation of an additional 6 kV distribution unit for switching the FC between pump units No. 1-3.
Replacement of the excitation system of synchronous motor No. 2 with a new microprocessor-based thyristor exciter.
Grounding of new equipment with connection to the existing grounding grid.
Replacement of discharge valves on pump units No. 1, 2, and 3.
Installation of pressure sensors with standardized current outputs on discharge pipelines and main water pipelines.
Installation of water metering devices for cooling pump units.
Implementation of an APCS complex for new and existing technological and power equipment.
Implementation of a remote control system (telemechanics) for the 6 kV switchgear.
Creation of a dispatcher automated workstation (AWS).
Replacement of signaling cabinets.
Installation of a remote pressure sensor at a key point of the water supply zone for automatic control of pump operation.
Reconstruction of power equipment with the implementation of energy-saving technologies.